>Hi, Nick!
>
>Thank you for the advice. It's a pity there is no same way as SET NOCPTRANS for solving the problem. May be I shall use a piece of FP2.5 code. :(
>
>Best regards, Vassili

You are welcome.
Hope you will find the possible solution under the circumstances. I wonder if it would be possible to add another key field, if you cannot change the existing one since there may be the code that relies on it in it's present state.